What powers retrodev.com?
Last seen Aug 2026 · 3 technologies across 3 categories
AI Crawlers
Restricts 9 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Bytespider Restricted
- ClaudeBot Restricted
- GoogleOther Restricted
- GPTBot Restricted
- meta-externalagent Restricted
Search and AI assistants
- Amazonbot Restricted
- Applebot Restricted
- Claude-SearchBot Restricted
- PetalBot Restricted
The other 24 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
9 of 33 AI crawlers restricted
Audience
- 82% desktop
- 18% phone
Japan
Brazil
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.26 / 10 · ranked #1,176,259 of all domains
43 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.0 MB · 3 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on PRGMR (71.19.154.141, IPv6)
- DNS: IONOS
- Email: IONOS
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 497,672, 3 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted